1296756783

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{120371}}^1$

素因数の和:120409

約数の個数: 40

約数和(自身を含む): 2330401920

約数和(自身を除く): 1033645137

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1539, 3591, 10773, 120371, 361113, 842597, 1083339, 2287049, 2527791, 3250017, 6861147, 7583373, 9750051, 16009343, 20583441, 22750119, 48028029, 61750323, 68250357, 144084087, 185250969, 432252261, 1296756783]

約数ペア:

[(1, 1296756783), (3, 432252261), (7, 185250969), (9, 144084087), (19, 68250357), (21, 61750323), (27, 48028029), (57, 22750119), (63, 20583441), (81, 16009343), (133, 9750051), (171, 7583373), (189, 6861147), (399, 3250017), (513, 2527791), (567, 2287049), (1197, 1083339), (1539, 842597), (3591, 361113), (10773, 120371)]